DFAT operates a hybrid DVB-S2 satellite network, using DVB-S2 outbound and SCPC return carriers. This network provides communications services, voice, data and video to remote locations worldwide. DFAT is required to: a) Maintain the fleet of equipment in the current DVB-S2 satellite network. b) Expand the existing DVB-S2 network through the establishment of new locations. Provide ad-hoc services for Whole of Government which may require the introduction of new equipment to cater for higher capacity or more reliable communication links. ‘Equipment’ includes the electronics such as SSPA’s and modems and includes hardware such as high-wind or long-life satellite antennas.